Home / 14,120.26-21,174.24-4,758.54

Finding the Fourth Proportional to 14,120.26, 21,174.24 and 4,758.54

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Solution

The fourth proportional to 14,120.26, 21,174.24 and 4,758.54 is: 7,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.26 : 21,174.24 = 4,758.54 : x
  2. Step 2: Convert to fraction form
    14,120.26/21,174.24 = 4,758.54/x
  3. Step 3: Cross multiply
    14,120.26x = 21,174.24 × 4,758.54
  4. Step 4: Simplify right side
    14,120.26x = 100,758,338.35
  5. Step 5: Solve for x
    x = 100,758,338.35/14,120.26
  6. Step 6: Final answer
    x = 7,135.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.